客戶端

#coding:utf-8
import socket, sys

host = 'localhost'
port = 10001

s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
print 'socket建立成功'

try:
    s.connect((host,port))
    print '連線成功'
except:
    sys.exit(1)

while 1:
    try:
        date = raw_input('客戶端：')
        s.send(date)
        buf = s
 
.recv(1024)
        if len(buf):
            print '服務端：'+buf
    except:
        print'over'
        s.close()
        sys.exit(0)

服務端

# -*- coding: utf-8 -*-
import socket,sys

host = ''
port = 10001

s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1
 
)
s.bind((host,port))
s.listen(5)
print '就緒'
clientsock,clientaddr = s.accept()
print '已建立連線'

while 1:
    try:
        buf = clientsock.recv(1024)
        if len(buf):
            print '客戶端：'+buf
        date = raw_input('服務端：')
        clientsock.send(date)
    except:
        print 'over'
        clientsock.close
 
()
        sys.exit(0)